First met in aicp-c3-session-12 · Productivity & source apps
Anthropic's grab-bag plugin of working skills — brainstorming, planning aids and more — installable from the plugins browser.
You want the vetted first-party skill set before shopping marketplaces — brainstorming alone justifies it.
Brainstorming skill reasons about FEASIBILITY, beyond plan mode's context-gathering
First-party: the safe default in a marketplace full of unvetted prompts
Bundles multiple skills under one plugin install
Doesn't replace domain skills — it's general-purpose thinking tools
One of the course's three starter installs (with front-end design and Context7).
Productivity & source apps
Cowork ships its own equivalents; relevant for Paul's Claude Code use.
current
front-end-design: the other Anthropic starter plugin
| Session | Coverage | Moment | What happened |
|---|---|---|---|
| Session 12: Claude Code — Design & Building Agents (App-First: a Game, a GTM Board, and a Live Deploy) | demonstrated | 1:11:55 | Anthropic plugin; brainstorming skill run on 'what can be improved in the game?' |
| Session 15: Loop, Harness & Graph Engineering (posted as 'Securing Vibe-Coded Apps') | demonstrated | 2:19:19 | 'God's skill' — install it; fired automatically inside his harness during the live graph demo |
| Session 20: Complete LinkedIn Agency Automation — Carousels + Newsletter from One Content System | demonstrated | Present without his remembering the install; credited for spec gates, blamed for front-end degradation and Playwright loops | |
| AI Sprint: Claude Code with Antigravity — Day 2 (CLAUDE.md, the 50% Context Rule, and the Sketch-to-App Build) | demonstrated | The end-to-end dev workflow skill — brainstorm, design doc, TDD, structured execution; his global daily driver | |
| AI Sprint: Windsurf & Devin — Day 2 (Building Superplexity: Plan with Opus, Execute with Cascade, Review with Devin) | demonstrated | Obra superpowers — the interview-driven spec engine; install by pasting the GitHub link | |
| Session 21: Advanced Data Extraction from PDFs — Parsing, OCR, and the Token-Free Product | mentioned | 'A really cool codebase which genuinely gives superpowers to your ChatGPT' — credited for the spec-document behavior | |
| AI Sprint: Claude Code with Antigravity — Day 1 (Taste as the Moat, the Muscle-and-Mirror Setup, and the Model Council Build) | mentioned | Teased for Day 2 alongside Claude-Mem memory management |